use crate::chain::channelmonitor;
use crate::chain::channelmonitor::{CLOSED_CHANNEL_UPDATE_ID, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY};
use crate::chain::transaction::OutPoint;
-use crate::sign::{ecdsa::EcdsaChannelSigner, EntropySource, SignerProvider};
+use crate::sign::{ecdsa::EcdsaChannelSigner, EntropySource, OutputSpender, SignerProvider};
use crate::events::{Event, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentPurpose, ClosureReason, HTLCDestination, PaymentFailureReason};
-use crate::ln::{ChannelId, PaymentPreimage, PaymentSecret, PaymentHash};
+use crate::ln::types::{ChannelId, PaymentPreimage, PaymentSecret, PaymentHash};
use crate::ln::channel::{commitment_tx_base_weight, COMMITMENT_TX_WEIGHT_PER_HTLC, CONCURRENT_INBOUND_HTLC_FEE_BUFFER, FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE, MIN_AFFORDABLE_HTLC_COUNT, get_holder_selected_channel_reserve_satoshis, OutboundV1Channel, InboundV1Channel, COINBASE_MATURITY, ChannelPhase};
use crate::ln::channelmanager::{self, PaymentId, RAACommitmentOrder, PaymentSendFailure, RecipientOnionFields, BREAKDOWN_TIMEOUT, ENABLE_GOSSIP_TICKS, DISABLE_GOSSIP_TICKS, MIN_CLTV_EXPIRY_DELTA};
use crate::ln::channel::{DISCONNECT_PEER_AWAITING_RESPONSE_TICKS, ChannelError};
use bitcoin::secp256k1::Secp256k1;
use bitcoin::secp256k1::{PublicKey,SecretKey};
-use regex;
-
use crate::io;
use crate::prelude::*;
use alloc::collections::BTreeSet;
-use core::default::Default;
use core::iter::repeat;
use bitcoin::hashes::Hash;
use crate::sync::{Arc, Mutex, RwLock};
assert_eq!(nodes[2].node.get_our_node_id(), receiver_node_id.unwrap());
assert_eq!(via_channel_id, Some(chan_2.2));
match &purpose {
- PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ PaymentPurpose::Bolt11InvoicePayment { payment_preimage, payment_secret, .. } => {
assert!(payment_preimage.is_none());
assert_eq!(our_payment_secret_21, *payment_secret);
},
- _ => panic!("expected PaymentPurpose::InvoicePayment")
+ _ => panic!("expected PaymentPurpose::Bolt11InvoicePayment")
}
},
_ => panic!("Unexpected event"),
assert_eq!(nodes[2].node.get_our_node_id(), receiver_node_id.unwrap());
assert_eq!(via_channel_id, Some(chan_2.2));
match &purpose {
- PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ PaymentPurpose::Bolt11InvoicePayment { payment_preimage, payment_secret, .. } => {
assert!(payment_preimage.is_none());
assert_eq!(our_payment_secret_22, *payment_secret);
},
- _ => panic!("expected PaymentPurpose::InvoicePayment")
+ _ => panic!("expected PaymentPurpose::Bolt11InvoicePayment")
}
},
_ => panic!("Unexpected event"),
#[test]
fn test_justice_tx_htlc_timeout() {
// Test justice txn built on revoked HTLC-Timeout tx, against both sides
- let mut alice_config = UserConfig::default();
+ let mut alice_config = test_default_channel_config();
alice_config.channel_handshake_config.announced_channel = true;
alice_config.channel_handshake_limits.force_announced_channel_preference = false;
alice_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 5;
- let mut bob_config = UserConfig::default();
+ let mut bob_config = test_default_channel_config();
bob_config.channel_handshake_config.announced_channel = true;
bob_config.channel_handshake_limits.force_announced_channel_preference = false;
bob_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 3;
#[test]
fn test_justice_tx_htlc_success() {
// Test justice txn built on revoked HTLC-Success tx, against both sides
- let mut alice_config = UserConfig::default();
+ let mut alice_config = test_default_channel_config();
alice_config.channel_handshake_config.announced_channel = true;
alice_config.channel_handshake_limits.force_announced_channel_preference = false;
alice_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 5;
- let mut bob_config = UserConfig::default();
+ let mut bob_config = test_default_channel_config();
bob_config.channel_handshake_config.announced_channel = true;
bob_config.channel_handshake_limits.force_announced_channel_preference = false;
bob_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 3;
assert_eq!(receiver_node_id.unwrap(), nodes[1].node.get_our_node_id());
assert_eq!(via_channel_id, Some(channel_id));
match &purpose {
- PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ PaymentPurpose::Bolt11InvoicePayment { payment_preimage, payment_secret, .. } => {
assert!(payment_preimage.is_none());
assert_eq!(payment_secret_1, *payment_secret);
},
- _ => panic!("expected PaymentPurpose::InvoicePayment")
+ _ => panic!("expected PaymentPurpose::Bolt11InvoicePayment")
}
},
_ => panic!("Unexpected event"),
Event::PaymentClaimable { ref payment_hash, ref purpose, .. } => {
assert_eq!(payment_hash_2, *payment_hash);
match &purpose {
- PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ PaymentPurpose::Bolt11InvoicePayment { payment_preimage, payment_secret, .. } => {
assert!(payment_preimage.is_none());
assert_eq!(payment_secret_2, *payment_secret);
},
- _ => panic!("expected PaymentPurpose::InvoicePayment")
+ _ => panic!("expected PaymentPurpose::Bolt11InvoicePayment")
}
},
_ => panic!("Unexpected event"),
match events[0] {
Event::PaymentClaimable { ref purpose, .. } => {
match &purpose {
- PaymentPurpose::InvoicePayment { payment_preimage, .. } => {
+ PaymentPurpose::Bolt11InvoicePayment { payment_preimage, .. } => {
claim_payment(&nodes[0], &[&nodes[1]], payment_preimage.unwrap());
},
- _ => panic!("expected PaymentPurpose::InvoicePayment")
+ _ => panic!("expected PaymentPurpose::Bolt11InvoicePayment")
}
},
_ => panic!("Unexpected event"),
AtUpdateFeeOutbound,
}
-fn do_test_max_dust_htlc_exposure(dust_outbound_balance: bool, exposure_breach_event: ExposureEvent, on_holder_tx: bool, multiplier_dust_limit: bool) {
+fn do_test_max_dust_htlc_exposure(dust_outbound_balance: bool, exposure_breach_event: ExposureEvent, on_holder_tx: bool, multiplier_dust_limit: bool, apply_excess_fee: bool) {
// Test that we properly reject dust HTLC violating our `max_dust_htlc_exposure_msat`
// policy.
//
let chanmon_cfgs = create_chanmon_cfgs(2);
let mut config = test_default_channel_config();
+
+ // We hard-code the feerate values here but they're re-calculated furter down and asserted.
+ // If the values ever change below these constants should simply be updated.
+ const AT_FEE_OUTBOUND_HTLCS: u64 = 20;
+ let nondust_htlc_count_in_limit =
+ if exposure_breach_event == ExposureEvent::AtUpdateFeeOutbound {
+ AT_FEE_OUTBOUND_HTLCS
+ } else { 0 };
+ let initial_feerate = if apply_excess_fee { 253 * 2 } else { 253 };
+ let expected_dust_buffer_feerate = initial_feerate + 2530;
+ let mut commitment_tx_cost = commit_tx_fee_msat(initial_feerate - 253, nondust_htlc_count_in_limit, &ChannelTypeFeatures::empty());
+ commitment_tx_cost +=
+ if on_holder_tx {
+ htlc_success_tx_weight(&ChannelTypeFeatures::empty())
+ } else {
+ htlc_timeout_tx_weight(&ChannelTypeFeatures::empty())
+ } * (initial_feerate as u64 - 253) / 1000 * nondust_htlc_count_in_limit;
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock = initial_feerate;
+ }
config.channel_config.max_dust_htlc_exposure = if multiplier_dust_limit {
// Default test fee estimator rate is 253 sat/kw, so we set the multiplier to 5_000_000 / 253
// to get roughly the same initial value as the default setting when this test was
// originally written.
- MaxDustHTLCExposure::FeeRateMultiplier(5_000_000 / 253)
- } else { MaxDustHTLCExposure::FixedLimitMsat(5_000_000) }; // initial default setting value
+ MaxDustHTLCExposure::FeeRateMultiplier((5_000_000 + commitment_tx_cost) / 253)
+ } else { MaxDustHTLCExposure::FixedLimitMsat(5_000_000 + commitment_tx_cost) };
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[Some(config), None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &channel_ready);
update_nodes_with_chan_announce(&nodes, 0, 1, &announcement, &as_update, &bs_update);
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock = 253;
+ }
+
// Fetch a route in advance as we will be unable to once we're unable to send.
let (mut route, payment_hash, _, payment_secret) =
get_route_and_payment_hash!(nodes[0], nodes[1], 1000);
let chan_lock = per_peer_state.get(&nodes[1].node.get_our_node_id()).unwrap().lock().unwrap();
let chan = chan_lock.channel_by_id.get(&channel_id).unwrap();
(chan.context().get_dust_buffer_feerate(None) as u64,
- chan.context().get_max_dust_htlc_exposure_msat(&LowerBoundedFeeEstimator(nodes[0].fee_estimator)))
+ chan.context().get_max_dust_htlc_exposure_msat(253))
};
+ assert_eq!(dust_buffer_feerate, expected_dust_buffer_feerate as u64);
let dust_outbound_htlc_on_holder_tx_msat: u64 = (dust_buffer_feerate * htlc_timeout_tx_weight(&channel_type_features) / 1000 + open_channel.common_fields.dust_limit_satoshis - 1) * 1000;
let dust_outbound_htlc_on_holder_tx: u64 = max_dust_htlc_exposure_msat / dust_outbound_htlc_on_holder_tx_msat;
- let dust_inbound_htlc_on_holder_tx_msat: u64 = (dust_buffer_feerate * htlc_success_tx_weight(&channel_type_features) / 1000 + open_channel.common_fields.dust_limit_satoshis - 1) * 1000;
+ // Substract 3 sats for multiplier and 2 sats for fixed limit to make sure we are 50% below the dust limit.
+ // This is to make sure we fully use the dust limit. If we don't, we could end up with `dust_ibd_htlc_on_holder_tx` being 1
+ // while `max_dust_htlc_exposure_msat` is not equal to `dust_outbound_htlc_on_holder_tx_msat`.
+ let dust_inbound_htlc_on_holder_tx_msat: u64 = (dust_buffer_feerate * htlc_success_tx_weight(&channel_type_features) / 1000 + open_channel.common_fields.dust_limit_satoshis - if multiplier_dust_limit { 3 } else { 2 }) * 1000;
let dust_inbound_htlc_on_holder_tx: u64 = max_dust_htlc_exposure_msat / dust_inbound_htlc_on_holder_tx_msat;
+ // This test was written with a fixed dust value here, which we retain, but assert that it is,
+ // indeed, dust on both transactions.
let dust_htlc_on_counterparty_tx: u64 = 4;
- let dust_htlc_on_counterparty_tx_msat: u64 = max_dust_htlc_exposure_msat / dust_htlc_on_counterparty_tx;
+ let dust_htlc_on_counterparty_tx_msat: u64 = 1_250_000;
+ let calcd_dust_htlc_on_counterparty_tx_msat: u64 = (dust_buffer_feerate * htlc_timeout_tx_weight(&channel_type_features) / 1000 + open_channel.common_fields.dust_limit_satoshis - if multiplier_dust_limit { 3 } else { 2 }) * 1000;
+ assert!(dust_htlc_on_counterparty_tx_msat < dust_inbound_htlc_on_holder_tx_msat);
+ assert!(dust_htlc_on_counterparty_tx_msat < calcd_dust_htlc_on_counterparty_tx_msat);
if on_holder_tx {
if dust_outbound_balance {
// Outbound dust balance: 5200 sats
nodes[0].logger.assert_log("lightning::ln::channel",
format!("Cannot accept value that would put our exposure to dust HTLCs at {} over the limit {} on counterparty commitment tx",
- dust_htlc_on_counterparty_tx_msat * (dust_htlc_on_counterparty_tx - 1) + dust_htlc_on_counterparty_tx_msat + 4,
+ dust_htlc_on_counterparty_tx_msat * dust_htlc_on_counterparty_tx + commitment_tx_cost + 4,
max_dust_htlc_exposure_msat), 1);
}
} else if exposure_breach_event == ExposureEvent::AtUpdateFeeOutbound {
// For the multiplier dust exposure limit, since it scales with feerate,
// we need to add a lot of HTLCs that will become dust at the new feerate
// to cross the threshold.
- for _ in 0..20 {
+ for _ in 0..AT_FEE_OUTBOUND_HTLCS {
let (_, payment_hash, payment_secret) = get_payment_preimage_hash(&nodes[1], Some(1_000), None);
nodes[0].node.send_payment_with_route(&route, payment_hash,
RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
added_monitors.clear();
}
-fn do_test_max_dust_htlc_exposure_by_threshold_type(multiplier_dust_limit: bool) {
- do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCForward, true, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCForward, true, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCReception, true, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCReception, false, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCForward, false, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCReception, false, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCReception, true, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCForward, false, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(true, ExposureEvent::AtUpdateFeeOutbound, true, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(true, ExposureEvent::AtUpdateFeeOutbound, false, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(false, ExposureEvent::AtUpdateFeeOutbound, false, multiplier_dust_limit);
- do_test_max_dust_htlc_exposure(false, ExposureEvent::AtUpdateFeeOutbound, true, multiplier_dust_limit);
+fn do_test_max_dust_htlc_exposure_by_threshold_type(multiplier_dust_limit: bool, apply_excess_fee: bool) {
+ do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCForward, true, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCForward, true, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCReception, true, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCReception, false, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCForward, false, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCReception, false, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(true, ExposureEvent::AtHTLCReception, true, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(false, ExposureEvent::AtHTLCForward, false, multiplier_dust_limit, apply_excess_fee);
+ if !multiplier_dust_limit && !apply_excess_fee {
+ // Because non-dust HTLC transaction fees are included in the dust exposure, trying to
+ // increase the fee to hit a higher dust exposure with a
+ // `MaxDustHTLCExposure::FeeRateMultiplier` is no longer super practical, so we skip these
+ // in the `multiplier_dust_limit` case.
+ do_test_max_dust_htlc_exposure(true, ExposureEvent::AtUpdateFeeOutbound, true, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(true, ExposureEvent::AtUpdateFeeOutbound, false, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(false, ExposureEvent::AtUpdateFeeOutbound, false, multiplier_dust_limit, apply_excess_fee);
+ do_test_max_dust_htlc_exposure(false, ExposureEvent::AtUpdateFeeOutbound, true, multiplier_dust_limit, apply_excess_fee);
+ }
}
#[test]
fn test_max_dust_htlc_exposure() {
- do_test_max_dust_htlc_exposure_by_threshold_type(false);
- do_test_max_dust_htlc_exposure_by_threshold_type(true);
+ do_test_max_dust_htlc_exposure_by_threshold_type(false, false);
+ do_test_max_dust_htlc_exposure_by_threshold_type(false, true);
+ do_test_max_dust_htlc_exposure_by_threshold_type(true, false);
+ do_test_max_dust_htlc_exposure_by_threshold_type(true, true);
}
+#[test]
+fn test_nondust_htlc_fees_are_dust() {
+ // Test that the transaction fees paid in nondust HTLCs count towards our dust limit
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+
+ let mut config = test_default_channel_config();
+ // Set the dust limit to the default value
+ config.channel_config.max_dust_htlc_exposure =
+ MaxDustHTLCExposure::FeeRateMultiplier(10_000);
+ // Make sure the HTLC limits don't get in the way
+ config.channel_handshake_limits.min_max_accepted_htlcs = 400;
+ config.channel_handshake_config.our_max_accepted_htlcs = 400;
+ config.channel_handshake_config.our_htlc_minimum_msat = 1;
+
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[Some(config), Some(config), Some(config)]);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ // Create a channel from 1 -> 0 but immediately push all of the funds towards 0
+ let chan_id_1 = create_announced_chan_between_nodes(&nodes, 1, 0).2;
+ while nodes[1].node.list_channels()[0].next_outbound_htlc_limit_msat > 0 {
+ send_payment(&nodes[1], &[&nodes[0]], nodes[1].node.list_channels()[0].next_outbound_htlc_limit_msat);
+ }
+
+ // First get the channel one HTLC_VALUE HTLC away from the dust limit by sending dust HTLCs
+ // repeatedly until we run out of space.
+ const HTLC_VALUE: u64 = 1_000_000; // Doesn't matter, tune until the test passes
+ let payment_preimage = route_payment(&nodes[0], &[&nodes[1]], HTLC_VALUE).0;
+
+ while nodes[0].node.list_channels()[0].next_outbound_htlc_minimum_msat == 0 {
+ route_payment(&nodes[0], &[&nodes[1]], HTLC_VALUE);
+ }
+ assert_ne!(nodes[0].node.list_channels()[0].next_outbound_htlc_limit_msat, 0,
+ "We don't want to run out of ability to send because of some non-dust limit");
+ assert!(nodes[0].node.list_channels()[0].pending_outbound_htlcs.len() < 10,
+ "We should be able to fill our dust limit without too many HTLCs");
+
+ let dust_limit = nodes[0].node.list_channels()[0].next_outbound_htlc_minimum_msat;
+ claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
+ assert_ne!(nodes[0].node.list_channels()[0].next_outbound_htlc_minimum_msat, 0,
+ "Make sure we are able to send once we clear one HTLC");
+
+ // At this point we have somewhere between dust_limit and dust_limit * 2 left in our dust
+ // exposure limit, and we want to max that out using non-dust HTLCs.
+ let commitment_tx_per_htlc_cost =
+ htlc_success_tx_weight(&ChannelTypeFeatures::empty()) * 253;
+ let max_htlcs_remaining = dust_limit * 2 / commitment_tx_per_htlc_cost;
+ assert!(max_htlcs_remaining < 30,
+ "We should be able to fill our dust limit without too many HTLCs");
+ for i in 0..max_htlcs_remaining + 1 {
+ assert_ne!(i, max_htlcs_remaining);
+ if nodes[0].node.list_channels()[0].next_outbound_htlc_limit_msat < dust_limit {
+ // We found our limit, and it was less than max_htlcs_remaining!
+ // At this point we can only send dust HTLCs as any non-dust HTLCs will overuse our
+ // remaining dust exposure.
+ break;
+ }
+ route_payment(&nodes[0], &[&nodes[1]], dust_limit * 2);
+ }
+
+ // At this point non-dust HTLCs are no longer accepted from node 0 -> 1, we also check that
+ // such HTLCs can't be routed over the same channel either.
+ create_announced_chan_between_nodes(&nodes, 2, 0);
+ let (route, payment_hash, _, payment_secret) =
+ get_route_and_payment_hash!(nodes[2], nodes[1], dust_limit * 2);
+ let onion = RecipientOnionFields::secret_only(payment_secret);
+ nodes[2].node.send_payment_with_route(&route, payment_hash, onion, PaymentId([0; 32])).unwrap();
+ check_added_monitors(&nodes[2], 1);
+ let send = SendEvent::from_node(&nodes[2]);
+
+ nodes[0].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &send.msgs[0]);
+ commitment_signed_dance!(nodes[0], nodes[2], send.commitment_msg, false, true);
+
+ expect_pending_htlcs_forwardable!(nodes[0]);
+ check_added_monitors(&nodes[0], 1);
+ let node_id_1 = nodes[1].node.get_our_node_id();
+ expect_htlc_handling_failed_destinations!(
+ nodes[0].node.get_and_clear_pending_events(),
+ &[HTLCDestination::NextHopChannel { node_id: Some(node_id_1), channel_id: chan_id_1 }]
+ );
+
+ let fail = get_htlc_update_msgs(&nodes[0], &nodes[2].node.get_our_node_id());
+ nodes[2].node.handle_update_fail_htlc(&nodes[0].node.get_our_node_id(), &fail.update_fail_htlcs[0]);
+ commitment_signed_dance!(nodes[2], nodes[0], fail.commitment_signed, false);
+ expect_payment_failed_conditions(&nodes[2], payment_hash, false, PaymentFailedConditions::new());
+}
+
+
#[test]
fn test_non_final_funding_tx() {
let chanmon_cfgs = create_chanmon_cfgs(2);
},
_ => panic!()
}
- let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- Event::ChannelClosed { channel_id, .. } => {
- assert_eq!(channel_id, temp_channel_id);
- },
- _ => panic!("Unexpected event"),
- }
+ let err = "Error in transaction funding: Misuse error: Funding transaction absolute timelock is non-final".to_owned();
+ check_closed_events(&nodes[0], &[ExpectedCloseEvent::from_id_reason(temp_channel_id, false, ClosureReason::ProcessingError { err })]);
+ assert_eq!(get_err_msg(&nodes[0], &nodes[1].node.get_our_node_id()).data, "Failed to fund channel");
}
#[test]
projects / rust-lightning / blobdiff